What is managed instance in SQL Server?

What is the difference between SQL Database and SQL managed instance?

The most significant difference from SQL Database and SQL Managed Instance is that SQL Server on Azure Virtual Machines allows full control over the database engine.

What managed instances?

Managed Instance is a SQL Server placed in your network hosted by Azure cloud. You need to create Azure VNET and a dedicated subnet where the instance should be deployed. There are some networking constraints for the VNET/subnet that you need to review before you create a managed instance.

What is the difference between elastic pool and managed instance?

From Microsoft: Elastic Pools support more databases per pool than available on a single Managed Instance. Additionally, there is built-in resource governance in elastic pools to ensure fair resource usage across databases.

How many databases on SQL managed instance?

General Purpose Managed Instances There is a limit of 100 databases, or 280 files per-instance. It is possible to have 100 databases with two or more files (data & log) totaling up to the file limit, or 1 database with 279 data files and one log file.